Review on ECCPP TK6068 Timing Chain Kit 5.4L for Ford Expedition, F-150, F-250, F-350 & Lincoln Mark Navigator 2006-2008 by Chris Norman

Bought and installed a few months ago. At the same time, an HV grinding oil pump is added. 1 phaser is knocking again and the tensioners are not holding well. They may have an improved seal, but their quill sucks. Every time I start the engine the chains rattle until the oil pressure rises and tightens again. You are better off using factory phasers and old cast iron tensioners that snap. They work great when standard plastic tensioners have been used.